93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
#ifndef COMPAT_H_
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#define COMPAT_H_
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#include "config.h"
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#include <sys/types.h>
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#ifdef HAVE_ASM_BYTEORDER_H
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#include <asm/byteorder.h>
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#endif
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#ifdef HAVE_SYS_BYTEORDER_H
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# include <sys/byteorder.h>
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# if defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
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# undef _BIG_ENDIAN
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# define _BIG_ENDIAN 4321
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# define _BYTE_ORDER _BIG_ENDIAN
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# elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
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# undef _LITTLE_ENDIAN
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# define _LITTLE_ENDIAN 1234
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# define _BYTE_ORDER _LITTLE_ENDIAN
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# endif
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#endif
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#ifdef HAVE_BYTESWAP_H
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#include <byteswap.h>
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#endif
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#ifdef HAVE_MACHINE_ENDIAN_H
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#include <machine/endian.h>
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#endif
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#ifdef HAVE_LIBKERN_OSBYTEORDER_H
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#include <libkern/OSByteOrder.h>
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#endif
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#ifndef HAVE_STRLCPY
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size_t strlcpy(char *, const char *, size_t);
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#endif
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#ifndef __UNCONST
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#define __UNCONST(a) ((void *)(unsigned long)(const void *)(a))
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#endif
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#ifdef HAVE_HTOBE64
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# define ISCSI_HTOBE64(x) htobe64(x)
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# define ISCSI_BE64TOH(x) be64toh(x)
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#else
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# if defined(HAVE_LIBKERN_OSBYTEORDER_H)
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# define ISCSI_HTOBE64(x) (x) = OSSwapBigToHostInt64((u_int64_t)(x))
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# elif _BYTE_ORDER == _BIG_ENDIAN
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# define ISCSI_HTOBE64(x) (x)
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# elif defined(HAVE___BSWAP64)
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# define ISCSI_HTOBE64(x) (x) = __bswap64((u_int64_t)(x))
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# else /* LITTLE_ENDIAN */
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# define ISCSI_HTOBE64(x) (((uint64_t)(ISCSI_NTOHL((uint32_t)(((x) << 32) >> 32))) << 32) | (uint32_t)ISCSI_NTOHL(((uint32_t)((x) >> 32))))
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# endif /* LITTLE_ENDIAN */
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# define ISCSI_BE64TOH(x) ISCSI_HTOBE64(x)
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#endif
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#ifndef _DIAGASSERT
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# ifndef __static_cast
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# define __static_cast(x,y) (x)y
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# endif
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#define _DIAGASSERT(e) (__static_cast(void,0))
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#endif
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#ifndef HAVE_UUID_H
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/* Length of a node address (an IEEE 802 address). */
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#define _UUID_NODE_LEN 6
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/*
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* See also:
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* http://www.opengroup.org/dce/info/draft-leach-uuids-guids-01.txt
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* http://www.opengroup.org/onlinepubs/009629399/apdxa.htm
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*
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* A DCE 1.1 compatible source representation of UUIDs.
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*/
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typedef struct uuid_t {
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uint32_t time_low;
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uint16_t time_mid;
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uint16_t time_hi_and_version;
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uint8_t clock_seq_hi_and_reserved;
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uint8_t clock_seq_low;
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uint8_t node[_UUID_NODE_LEN];
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} uuid_t;
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void uuid_create(uuid_t *, uint32_t *);
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void uuid_to_string(uuid_t *, char **, uint32_t *);
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#endif
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#endif /* COMPAT_H_ */
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